// Press Shift twice to open the Search Everywhere dialog and type `show whitespaces`,
// then press Enter. You can now see whitespace characters in your code.
public class Main {
    public static void main(String[] args) {
        Equition equition = new Equition();
        equition.input(0,7,3);
        if(equition.solve()) {
            equition.print();
        }
        System.out.println("程序结束。");
    }
}

